2 thunderstorm wind, as filed by the National Weather Service.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Northern Indiana wrote its last area forecast discussion before the first event at Aug 25, 7:30 PM EST, 3 hours 15 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORTHERN INDIANA 730 PM EST MON AUG 25 2003 AVIATION DISCUSSION FOR 00Z... MAIN CHANGE WAS TO REMOVE EVENING KSBN VCTS AND MOVE TIMING UP FOR POTENTIAL CONVECTION AT KSBN PER LATEST RUC. 900-800 MB JETLET FOCUSES FURTHER EAST INTO WISCONSIN BY 06Z AND WOULD SUSPECT CONTINUED CONVECTION PRIMARILY ELEVATED NORTH OF FRONT WITH SOME STORMS NEARING KSBN IN 06Z-10Z TIMEFRAME...BUT POTENTIAL LESS THAN SUFFICIENT FOR MORE THAN VCTS. MODERATE TO STRONG INSTABILITY DEVELOPS BY LATE TUESDAY AFTERNOON AND WILL AGAIN BRING CONVECTION POTENTIAL IN FORM OF VCTS...CHANCES HERE APPEAR BEST FOR POTENTIALLY STRONG CONVECTION BUT WILL DEFER TO LATER FORECASTS FOR POSSIBLE NEED FOR TEMPO OR CATAGORICAL TSRA. PBM PREVIOUS DISCUSSIONS... PUBLIC FORECAST DISCUSSION FOR 330 PM EST ISSUANCE... TONIGHT AND TUESDAY... THUNDERSTORMS STILL RIDING EAST OVER THE TOP OF THE RIDGE ACROSS S WI AND S MI WITH NEXT CLUSTER ORGANIZING OVER S WI AT 19Z. WILL KEEP CHANCE FOR STORMS MOST AREAS TONIGHT...EXPECT FAR SOUTH (MONTICELLO TO PORTLAND) AS CONVECTION MOVES E ACROSS LAKE MI TOWARD LOWER MI. AIR MASS OVER FAR NORTHERN INDIANA HAS BECOME QUITE UNSTABLE THIS AFTERNOON WITH 19Z LAPS LIS -5 TO -8. EXPECT STORMS TO INCREASE IN COVERAGE OVER LAKE MI AND PROPAGATE SE...SO BEST CHANCE FOR STORMS IS OVER FAR SW LOWER MI. OTHERWISE...WILL KEEP TEMPS WARM TONIGHT AND TUESDAY WITH LOWS NEAR 70 AND HIGHS NEAR 90. TUESDAY NIGHT THROUGH MONDAY... COLD FRONT EXPECTED TO MOVE INTO NORTHERN COUNTY WARNING AREA TUESDAY NIGHT AND MOVE SOUTH OVERNIGHT. ETA IS FASTEST WITH 12Z GFS LAGGING FRONT. CANNOT RULE OUT EITHER SOLUTION AT THIS TIME WITH RESPECT TO TIMING. WILL CONTINUE POPS ALL AREAS TUESDAY NIGHT AS POSSIBLE MCS WILL RIDE ALONG FRONT AND CROSS AREA. WILL DRY THE NORTH OUT WEDNESDAY MORNING AS ETA AND GFS AGREE ON FRONT BEING WELL INTO AREA...THEN WILL DRY ALL AREAS WED AFTERNOON. BRIEF DRIER AIR TO FILTER IN LATE WED AND OVERNIGHT INTO THURSDAY MORNING. ETA THEN MOST AGGRESSIVE RETURNING MOISTURE BACK INTO AREA THURSDAY...WITH GFS A LITTLE SLOWER. OMEGA IS NOT IMPRESSIVE BUT TIMING OF WARM FRONT CROSSING AREA DURING THE AFTERNOON IS A CONCERN. SINCE ETA HAS BEEN TOO FAST WITH RETURN MOISTURE AND HEAT...WL SLIDE TOWARD GFS SOLUTION AND KEEP PCPN CHANCES GOING THURSDAY NIGHT. COLD FRONT WILL MOVE ACROSS REGION SOMETIME FROM LATE THURSDAY NIGHT THROUGH FRIDAY NIGHT. TIMING ISSUES STILL REMAIN BUT SHOULD BE IN THIS 24HR WINDOW. THIS WILL BE A STRONG FRONT WITH SEVERE POTENTIAL AS MOISTURE AND WIND FIELDS INCREASE AHEAD OF IT. COLD FRONT EXPECTED TO BE THROUGH AREA BY SATURDAY MORNING WITH MUCH COOLER TEMPERATURES BEHIND FRONT. 00Z GFS VERY COOL WITH 850MB TEMPERATURES AROUND +5C. PROBABLY TOO COOL GIVEN TIME OF YEAR AND THIS MODEL BIAS OF BEING TOO COOL WITH CANADIAN FRONTS IN THE LATE SUMMER AND FALL. ECMWF...WHILE SLOWER WITH FRONTAL PASSAGE...IS A LITTLE WARMER WITH 850MB TEMPERATURES DOWN TO +8C. OVERALL WILL BE KEEPING WEEKEND TEMPERATURES IN THE LOWER TO MIDDLE 70S WHICH ENDS UP BEING CLOSE TO MEX MOS GUIDANCE AND HPC TEMPERATURES. WILL ALSO KEEP WEEKEND DRY BUT SOME CONCERN FOR INSTABILITY SHOWERS WITH WEAK SHORT WAVES IN NORTHWEST FLOW. TOO EARLY TO BRING THIS INTO FORECAST. GFS BRINGING SOME MOISTURE BACK INTO AREA FOR MONDAY BUT NOT GOING TO INTRODUCE ANY POPS AT THIS TIME AS WE LOOK TO STILL BE UNDER INFLUENCE OF SURFACE HIGH PRESSURE. .IWX... IN...NONE. MI...NONE. OH...NONE. SKIP/LASHLEY
INZ003>009-012>018-020-022>027-032>034-MIZ077>081-OHZ001-002-004-005- 015-016-024-025-260945- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NORTHERN INDIANA 444 AM EST MON AUG 25 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN INDIANA...NORTHWEST OHIO AND SOUTHWEST LOWER MICHIGAN. .DAY ONE...TODAY AND TONIGHT A WEAK FRONTAL BOUNDARY WILL MOVE INTO THE AREA THIS AFTERNOON AND TONIGHT. AMPLE MOISTURE AND INSTABILITY MAY COMBINE WITH THIS FRONT TO PRODUCE SCATTERED THUNDERSTORMS. SOME OF THESE STORMS COULD BECOME SEVERE...ESPECIALLY ALONG AND NORTH OF OF A KINGSBURY...TO LEESBURG...TO DEFIANCE OHIO LINE. THE STRONGEST STORMS COULD PRODUCE DAMAGING WINDS...ALONG WITH LOCALLY HEAVY RAINFALL. BEFORE THE STORMS DEVELOP...HIGH TEMPERATURES IN THE UPPER 80S TO LOWER 90S WILL COMBINE WITH INCREASING HUMIDITY TO MAKE FOR A MUGGY AFTERNOON. HEAT INDICES MAY APPROACH 100 DEGREES THIS AFTERNOON ALONG AND WEST OF A CASSOPOLIS...TO WARSAW...TO WABASH LINE. THOSE DOING WORK OUTSIDE SHOULD USE CAUTION AND TAKE FREQUENT BREAKS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY ANOTHER COLD FRONT WILL MOVE INTO THE AREA TUESDAY AFTERNOON AND NIGHT. THIS FRONT MAY COMBINE WITH A MOIST...UNSTABLE AIRMASS AND FAVORABLE WIND FIELDS TO CAUSE SEVERE THUNDERSTORMS WITH DAMAGING WINDS AND HEAVY RAINFALL. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED LATER TODAY AND TONIGHT...AS WELL AS TUESDAY AFTERNOON AND EVENING. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES, OR CHECK OUR WEB SITE AT WWW.CRH.NOAA.GOV/IWX FISHER
The Detroit radar (KDTX), 113 km away, was scanning. The volume nearest the first event began at 03:46 UTC.
2 thunderstorm wind. Local standard time, as filed.
Numerous trees were reported down in Moscow, northeast of Jonesville.
Numerous trees were reported down near Lake Le Ann.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Michigan in 2003Every state in 2003This day in weather historyWarnings in Michigan, August 2003
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5377396, 5377397.